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Areas of Dangerous Heat and Heavy Rainfall Today

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley today. Heat Advisories remain in effect. Heavy to excessive rainfall today could bring areas of flooding to parts of the northern High Plains and Midwest into the Ohio Valley. Flood Watches remain in effect. Read More >

Current conditions at

Casper, Natrona County International Airport (KCPR)

Lat: 42.8975°NLon: 106.47306°WElev: 5348.0ft.

Partly Cloudy

59°F

15°C

Humidity 62%
Wind Speed WNW 18 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 20 Sep 02:00 PM MDT
Extended Forecast for

Casper WY

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 62. West northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

    High: 62 °F

    Showers
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 41. Northwest wind around 6 mph becoming calm in the evening.

    Low: 41 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. Light and variable wind.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Light and variable wind becoming east 5 to 9 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 49. South southeast wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 49 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74. Breezy, with a west wind 10 to 18 mph, with gusts as high as 28 mph.

    High: 74 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 62. West northwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 41. Northwest wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 68. Light and variable wind.
Monday Night
Mostly clear, with a low around 41. Light and variable wind becoming east 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 75. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
A 10 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 49. South southeast wind 5 to 13 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 74. Breezy, with a west wind 10 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
Partly cloudy, with a low around 50.
Friday
Mostly sunny, with a high near 80. Breezy.
Friday Night
Mostly clear, with a low around 52. Breezy.
Saturday
Sunny, with a high near 78. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Casper WY
 42.85°N 106.34°W (Elev. 5154 ft)
Last Update:
12:48 pm MDT Sep 20, 2026
Forecast Valid:
2pm MDT Sep 20, 2026-6pm MDT Sep 26, 2026
 
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Additional Resources

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Chance of Precipitation